A secant is drawn from a point P to a circle so that it meets the circle first at A, then goes through the centre, and leaves the circle at B. If the length of the tangent from P to circle is 12 cm, and the radius of the circle is 5 cm, then the distance from P to A is:

A secant is drawn from a point P to a circle so that it meets the circ

1.	A secant is drawn from a point P to a circle so that it meets the circle first at A, then goes through the centre, and leaves the circle at B. If the length of the tangent from P to circle is 12 cm, and the radius of the circle is 5 cm, then the distance from P to A is:
A.	10 cm
B.	8 cm
C.	12 cm
D.	18 cm
Answer» C. 12 cm

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A secant is drawn from a point P to a circle so that it meets the circle first at A, then goes through the centre, and leaves the circle at B. If the length of the tangent from P to circle is 12 cm, and the radius of the circle is 5 cm, then the distance from P to A is:

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